Exposure
- ID
- GRAVI.2024-03-28T08:38:26.948_2
- Header ID
- GRAVI.2024-03-28T08:38:26.948
- Date updated
- 2024-03-28 08:55:28 UTC+0000
- Release date
- 2025-03-28 08:55:28 UTC+0000
- UTC Start
- 2024-03-28 08:38:26.948
- UTC End
- 2024-03-28 08:44:26.948
- MJD Start
- 60397.36003412
- MJD End
- 60397.3642007867
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004743
- Ambient temperature (°C)
- 12.18
- Seeing (arcsec)
- 1.3
Observation
- ID
- 58832
- Category
- science
- Program ID
- 112.25CV.001
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ WIDMANN/ DRESCHER/ RIBEIRO/ SADUN BORDONI/ STRAUBMEIER/ BRANDNER/ PERRIN/ ROUSSELET-PERRAUT/ GARCIA/ MANG/ PAUMARD/ ECKART/ VINCENT/ BOURDAROT/ LUTZ/ STURM/ CAO/ HORROBIN/ DE ZEEUW
Target
- ID
- 43560
- Name
- IRS16C
- RA
- 266.417083333333
- DEC
- -29.0076816944444
Instrument
- Interferometer
- VLTI
- Instrument
- GRAVITY_FT
- Instrument mode
- LOW
- Instrument sub-mode
- DUAL
- Stations
- U1 U2 U3 U4
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.4930 | 56.5110 | 15.8000 | 16.7000 |
| U1-U3 | 102.0680 | 102.1440 | 21.8000 | 22.7000 |
| U1-U4 | 126.8290 | 127.3610 | 49.0070 | 49.9970 |
| U2-U3 | 46.2630 | 46.3320 | 29.2000 | 30.1000 |
| U2-U4 | 85.3370 | 85.9380 | 70.2430 | 71.1690 |
| U3-U4 | 58.9010 | 59.3870 | 101.3060 | 101.9940 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 112.25CV.001 |
| HIERARCH ESO DPR CATG | SCIENCE |
| HIERARCH ESO DPR TYPE | OBJECT,DUAL |
| MJD-OBS | 60397.36003412 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | SGRA |
| RA | 266.416909 |
| DEC | -29.00728 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.493 |
| HIERARCH ESO ISS PBL12 END | 56.511 |
| HIERARCH ESO ISS PBLA12 START | 15.8 |
| HIERARCH ESO ISS PBLA12 END | 16.7 |
| HIERARCH ESO ISS PBL13 START | 102.068 |
| HIERARCH ESO ISS PBL13 END | 102.144 |
| HIERARCH ESO ISS PBLA13 START | 21.8 |
| HIERARCH ESO ISS PBLA13 END | 22.7 |
| HIERARCH ESO ISS PBL14 START | 126.829 |
| HIERARCH ESO ISS PBL14 END | 127.361 |
| HIERARCH ESO ISS PBLA14 START | 49.007 |
| HIERARCH ESO ISS PBLA14 END | 49.997 |
| HIERARCH ESO ISS PBL23 START | 46.263 |
| HIERARCH ESO ISS PBL23 END | 46.332 |
| HIERARCH ESO ISS PBLA23 START | 29.2 |
| HIERARCH ESO ISS PBLA23 END | 30.1 |
| HIERARCH ESO ISS PBL24 START | 85.337 |
| HIERARCH ESO ISS PBL24 END | 85.938 |
| HIERARCH ESO ISS PBLA24 START | 70.243 |
| HIERARCH ESO ISS PBLA24 END | 71.169 |
| HIERARCH ESO ISS PBL34 START | 58.901 |
| HIERARCH ESO ISS PBL34 END | 59.387 |
| HIERARCH ESO ISS PBLA34 START | 101.306 |
| HIERARCH ESO ISS PBLA34 END | 101.994 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.004743 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004743 |
| HIERARCH ESO ISS AMBI TEMP | 12.18 |
| HIERARCH ESO ISS AMBI FWHM START | 1.3 |
| HIERARCH ESO ISS AMBI FWHM END | 1.3 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1000 |
| HIERARCH ESO FT ROBJ DELTA | -290027.6541 |